Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Nonwoven fabric – Including an additional nonwoven fabric
Reexamination Certificate
2008-01-22
2010-11-09
Salvatore, Lynda (Department: 1786)
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Nonwoven fabric
Including an additional nonwoven fabric
C428S294700
Reexamination Certificate
active
07829488
ABSTRACT:
A gypsum board comprises a set gypsum layer having a first face and a second face. An uncoated fibrous mat is affixed to at least one of the faces. The mat comprises a non-woven web bonded together with a resinous binder. The web comprises glass fiber consisting essentially of a major portion composed of chopped continuous glass fibers having an average fiber diameter ranging from about 8 to 25 μm and optionally a minor portion consisting essentially of at least one of small diameter glass fibers having a fiber diameter of at most about 13 μm and microfibers having an average fiber diameter ranging from about 0.05 to about 6.5 μm. The board is exceedingly durable and has a high resistance to water absorption, rendering it particularly useful for exterior insulation systems.
REFERENCES:
patent: 6852656 (2005-02-01), La Greca et al.
patent: 2004/0266304 (2004-12-01), Jaffee
patent: 2007/0039300 (2007-02-01), Kahlbaugh et al.
patent: 2008/0014813 (2008-01-01), Xing et al.
Johns Manville
Salvatore Lynda
Touslee Robert D.
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